The models are ready to be imported into the Unreal Engine 4 game engine.
This game assets collection includes 3 gun. Each gun is an individual object .
Guns: Springfield M1903A4 Sniper= 9284 tris. m1a1 carbine= 9971 tris. Thompson submachine gun= 7976 tris.
The size of the textures is 2048/2048. BaseColor / Normal / OcclusionRoughnessMetallic+Opacity.
In my profile you will find even more military models.